Hi Paul, After merging the rcu tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from /home/sfr/next/next/include/linux/spinlock_types.h:18:0, from /home/sfr/next/next/include/linux/spinlock.h:81, from /home/sfr/next/next/kernel/rcu/tree.c:33: /home/sfr/next/next/kernel/rcu/tree.c: In function 'rcu_init_one': /home/sfr/next/next/include/linux/lockdep.h:299:27: error: 'struct rt_mutex' has no member named 'dep_map' lockdep_init_map(&(lock)->dep_map, name, key, 0) ^ /home/sfr/next/next/kernel/rcu/tree.c:4572:4: note: in expansion of macro 'lockdep_set_class_and_name' lockdep_set_class_and_name(&rnp->exp_funnel_mutex, ^ Caused by commit 725b7f3805c6 ("rcu: Convert expedited grace-period funnel lock to rt_mutex") I have used the rcu tree from next-20160129 for today. -- Cheers, Stephen Rothwell -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html